December weather forecast
Uruguay

December in Uruguay marks the start of summer and is characterized by the year's highest temperatures. Average temperatures fluctuate from 18°C (64.4°F) during the night to a hot 28°C (82.4°F) during the day. The increase in temperature from November to December underscores Uruguay's transition into its warmest season.

In Montevideo, temperatures in December generally range between 19°C (66.2°F) and 27°C (80.6°F). The Atlantic Ocean continues to moderate the city's climate, ensuring that despite the onset of summer, temperatures remain relatively comfortable. The warmer weather is perfect for enjoying the city's beachside locations and outdoor spaces.

Similarly, Punta del Este sees temperatures averaging between 19°C (66.2°F) and 27°C (80.6°F). The warm, sunny weather draws many visitors to the beach, marking the peak of the beach season in Uruguay's most famous resort town.

In terms of rainfall, December experiences a further increase compared to November, with Uruguay receiving about 100mm (3.94") of precipitation over roughly nine days. This increase is characteristic of Uruguay's summer, which is known for its higher rainfall.

Inland regions like Tacuarembó also experience the heat of summer, with average highs reaching around 28°C (82.4°F). The absence of sea breezes can lead to hotter perceived temperatures during the peak of the day, especially during sunny afternoons.

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• Montevideo - December »
  December is the least humid month in Montevideo with an average relative humidity of 67%. In Montevideo in December, it is raining for 6 days, with typically 84mm (3.31") of accumulated precipitation.
• Punta del Este - December »
  The month with the longest days in Punta del Este is December, with an average of 14h and 30min of daylight. In Punta del Este in December, it is raining for 11.1 days, with typically 70mm (2.76") of accumulated precipitation.
• Salto - December »
  December has the longest days of the year in Salto, with an average of 14h and 12min of daylight. December has the longest days of the year in Salto, with an average of 14h and 12min of daylight.
• Ciudad de la Costa - December »
  December has the longest days of the year in Ciudad de la Costa with an average of 14h and 30min of daylight. On the first day of December in Ciudad de la Costa, sunrise is at 05:23 and sunset at 19:42.
• Rivera - December »
  With an average of 14h and 6min of daylight, December has the longest days of the year in Rivera, Uruguay. December has the longest days of the year in Rivera with an average of 14h and 6min of daylight.
• Durazno - December »
  The month with the longest days in Durazno is December, with an average of 14h and 18min of daylight. In Durazno, during December, the rain falls for 10 days and regularly aggregates up to 97mm (3.82") of precipitation.
• La Paloma - December »
  The month with the longest days in La Paloma is December, with an average of 14h and 24min of daylight. In La Paloma, during December, the rain falls for 10.7 days and regularly aggregates up to 53mm (2.09") of precipitation.
• Melo - December »
  December has the longest days of the year in Melo, with an average of 14h and 12min of daylight. On the first day of December in Melo, Uruguay, sunrise is at 05:22 and sunset at 19:29.
• Pando - December »
  The months with the highest UV index in Pando, Uruguay, are January through March and December, with an average maximum UV index of 6. In Pando in December, during 9.9 rainfall days, 62mm (2.44") of precipitation is typically accumulated.
• Treinta y Tres - December »
  The month with the longest days in Treinta y Tres is December, with an average of 14h and 18min of daylight. With an average of 14h and 18min of daylight, December has the longest days of the year in Treinta y Tres.
• Villa Serrana - December »
  In Villa Serrana, in December, during 10.7 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Villa Serrana, in December, during 10.7 rainfall days, 53mm (2.09") of precipitation is typically accumulated.
• Tacuarembo - December »
  January and December, with an average relative humidity of 66%, are the least humid months in Tacuarembo. In Tacuarembo, during December, the rain falls for 10 days and regularly aggregates up to 121mm (4.76") of precipitation.